From 2c6bba5e9b7ffa2adfe8f33c36b4becdc48b28b2 Mon Sep 17 00:00:00 2001
From: umherirrender <umherirrender_de.wp@web.de>
Date: Thu, 24 Jul 2014 17:33:27 +0200
Subject: [PATCH] Avoid function calls in the loop condition of a for statement

Change-Id: I64d9ba96797085b6f54658218404a02d4087ceaf
---
 thumb.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/thumb.php b/thumb.php
index 9a4b332124..2d7cca77c8 100644
--- a/thumb.php
+++ b/thumb.php
@@ -520,7 +520,8 @@ function wfExtractThumbRequestInfo( $thumbRel ) {
 	$repo = RepoGroup::singleton()->getLocalRepo();
 
 	$hashDirReg = $subdirReg = '';
-	for ( $i = 0; $i < $repo->getHashLevels(); $i++ ) {
+	$hashLevels = $repo->getHashLevels();
+	for ( $i = 0; $i < $hashLevels; $i++ ) {
 		$subdirReg .= '[0-9a-f]';
 		$hashDirReg .= "$subdirReg/";
 	}
-- 
2.20.1